C++ Codes Of Classes and Objects 1

Define a class student with the following specification
Private members of class student
admno                        integer
sname                        20 character
eng. math, science       float
total                            float
ctotal()                        a function to calculate eng + math + science with float return type.
Public member function of class student
Takedata()                   Function to accept values for admno, sname, eng, science and invoke ctotal() to calculate total.
Showdata()                   Function to display all the data members on the screen.

#include<iostream.h>
#include<conio.h>
#include<stdio.h>


class student
{
private:
 int admno;
 char sname[20];
 float eng,math,science;
 float total;
 float ctotal()
 {
  return eng+math+science;
 }
public:
 void Takedata()
 {
  cout<<"Enter admission number ";
  cin>> admno;
  cout<<"Enter student name " ;
  gets(sname);
  cout<< "Enter marks in english, math, science ";
  cin>>eng>>math>>science;
  total=ctotal();
 }

 void Showdata()
 {
  cout<<"Admission number "<<admno<<"\nStudent name "<<sname<<"\nEnglish "
   <<eng<<"\nMath "<<math<<"\nScience "<<science<<"\nTotal "<<total;
 }
};

int main ()
{
 clrscr();
 student obj ;
 obj.Takedata();
 obj.Showdata();
 getch();
 return 0;
}